A Caution Flag for McDonald's

A strong dollar and high food costs will likely pressure shares of the fast-food giant in the coming months.

Burgers and fries may be classic summertime fare, but investors gave McDonald's a chilly reception as a strong dollar and global economic uncertainty weighed on the fast-food giant's second quarter.

On Monday morning, McDonald's (ticker: MCD) reported earnings of $1.35 billion, or $1.32 a share, down from $1.41 billion in the year-ago period. Revenue edged up 0.2% to $6.92 billion. Excluding the currency shift, earnings per share...